Artificial (A) intelligence is concerned with designing (B) computer systems that perform such tasks as reason (C) and learning (D) new skills.
A.Artificial
B.designing
C.reason
D.learning

My mother works ______ a nurse in a big hospital. She examines the patients.
A.for
B.in
C.as
D.at

Birds all over the world migrate distances up to ______ of miles.
A.a thousand
B.some thousand
C.thousand
D.thousands

______ human beings have relatively constant body temperature.
A.Alike all mammal
B.Like all mammals
C.Like all mammal
D.Alike all mammals

Despite claims that filters and low-tar tobacco make smoking somewhat safer, in fact, they only marginally reduce, ______ eliminate, the hazards.
A.none
B.not
C.no
D.nor

Jill: “No one but you stole my money” Jack: “______”
A.Keep silent.
B.Mind your words!
C.Me too.
D.It’s your fault.

William Bonney ______ Billy The Kid, was a famous Wild West gunman.
A.alias
B.ergo
C.bogus
D.versus

Our plans to start our own business seem ______ to failure!
A.fated
B.compelled
C.designed
D.doomed

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
It was not until the end of prehistoric times that the first wheeled vehicles appearing.
A.not until the end
B.prehistoric
C.the frist
D.appearing

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
Looking from afar, the village resembles a small green spot dotted with tiny fireballs
A.looking
B.resembles
C.green spot
D.with